Apparatus for forming and impregnating fibrous pads



Aug. 3, 1943. 2,

APPARATUS FOR FORMING AND IMPREGNATING FIBROUS PADS C. FIELD ET AL 4sheets-sheet 1 VENTORS Aug. 3, 1943. c. FIELD E1'- AL 2,325,600

` APPARATUS FOR FORMING AND IMPREGNATM FIBRoUs PADS original Filed Dec.27, 1938 4 sheetsfsheet 2- Aug. 3, 1943. c. HELD ET AL 2,325,500

APPARATUS FOR FORMING AND IMPREGNATING FIBROUS PADS` original Filed Dec.27, 193s 4 sheets-sheet 5 INVENTOR5 Cras Field' BY era d' C Toole,

ug. 3, 1943. FlELD E- r AL 2,325,600

APPARATUS FOR FORMING AND IMPREGNATING FIBROUS PADS original Filed Dc,27, 193e 4 sheets-sheet 4 PII-III g usually steel twool, 'preferablyinthe form-of a and thefeedU-mechanismpushes the .leading end t Kcompletely releasesit. "YI'hecross-sectionof this y; t forming chambenispreferably the sa'rnefasthe e :,Arterwthe 1eadingxendtf1the strip has epushed-into said chamber; opposite, continuouslyl yrotatingspiningneedles, are forced iifltofjsaidV l t and rotate in planes `parfa .llelwith the direction of `the'Iee'd`in`,- so `ti'iat the utensionemfleadingand l Y trailing portionsoftheullystrinare wound in severaltirnesthevolume V,of thepadvto beV made j tl'ierelrozmi` 7 "Ongeach`spinner"'there'are preferably' twof t t tastings() that theinterioroftthefpad cnslsts 1 needIeSare Withdrawnpthefouter llayers'beeome tmore cylindrical. This cylindrical structure and Y e its flumriess'arejirnportantas concerns uniformf l ityglof distrbutio'n of the wool,whe'n fthe-rela- Vliatented e g "1,325,600 f l j arrmrosronFonMINGfaNnIML f t St;Albans,iN."Y1assgnors to Brillo Manufaca` *Thepresent invention ishereln disclosed' asap-` Y Vplied to specific cases`Wl'lerejthe materials fand "apparatus `are primarily-designed,fvorni'aking steel wool pads,` and for impregnatirlgithern withsoapfbut various "features of thefmethod, and 415 also "of theapparatus, maybe useful `asfapplied to specically different* materials,or purposes. l

granted `April`293 1941,- e f which "thlsfapparatus applicationrisadivision; l 7 l Specifically considered, `this apparatus 3 includesmeans for making the pads from metal fwool;

`15 continuous strip v comprising a large number Vof long,curly,spring`1y fbers; Steel wool bers as blown 01T from `apredeterminednumber of ad;v

jacent -knives of wool cutting'machines ofthe y e 20 readily formll-ufysprlrigyfstrips` suitable for our Y t "purpese'snl Under normal"conditions`, or under predeterminedl vapplied tension,` equallengthsjof" Y such strip willcontainthe same'far'nount fof' Wool.``According'tothe `present invention, feed mech- 25 t pulls `the strip tmaterial into the machine intermittentlyfeach pull measuringv oi thesame Eachlngth istut Qnbyasuitablyttmed knife, 30

largerlarea dimensionsofthe pad.

been t needles, located eccentrically toltheir axis oi ro`' nlqtiyfof.the leamnggend: 'of the strip; and, tri g exterior layers as wound onthe? outsideI ofsaid l 50 needles,-A tend toward elliptical; lbutvillenthe l t "29, 1941;1D1videa and tnisfappueationaugust y 52,"1940,sel-misdaan() 1 l tiyely'lalige diameterjcylinder isil'lattenedtoQf'orrnA l a relatively thin pad.

' While theaboye v features are important merely as` concerns makingstandard-size pads',` arrinri` portanttrfeature ineludes" discharging ameasured amountofsoap `o1 predeterminedfluid temperaf 'tureupon "saidflulfyjcylindricaljmassifofgthe Ymetalwool; .preferably downwardv sothat distributin of the` The 1 chamber `in tv/nich; the'i nufry4"cylinder lof t Wool "is `formed* and `impregnated,Ais?preferablyl ytheiinteriorof "a"compressor;thevbottomv of the t' Y chamberfbelrigthelco'rnpressitng' piston; and the- Vtop*beingfthefpad-shaping` moldinto which the 4relatively voluminous"rnassisv cdrrpressed by the the!cylindrical "mass, just? after fthe upmovng piston has closed fthlateral 'v inlet,v 'but beforeit vhas applied anyl substantialcpmpession.-*These t passages 'are preferably-of relativel'ysmall"crosspression, has completelystoppedfrotaton of the thethicknessofwthepadf; Y

VThis"`11pper,end Wallorthe electivejor Vdistribution ouf(the'woapi'throughout removable, and fthe pis't'ony given `arialditionalvr'tical" movement frj t rejecting; the pad, but e there .lare specialadvantagesgn rnakingf. this end Wall a stationary t )plategpermanentlyconnected .t Ases apparatus. Shawn 'Such edeewsel- QIn-thewform ofmovement of the series of IIlOld' frame 'holes' formed in a rotary plate`vgliiclliisAInornite`d-fon anfaxis parallel with the.c,mprs$0r, 1 and:`provided --wtlif Aindexing mechanism-whereby; successivemold frangeholes 1 may be moved `i'nto operativetregistry wthgthe; f compressortorre'ceiyeV and shape a pad','andthen 1 carry it-tofarpositionti'xrregstrywithfanejector, whereby. the foi'm'edpadpis ejectedfrom the frani'e,lpreferably downward'so' that the Jpad falls on 'aconveyer fwh'ich carries it to` apoint suitable` oi Figs. 1 and 2;

i and levers v for ,0f the. S0313 pump;

ouslyspinning needlesiand .A f Figv .,9 is a' perspective Viewofila's'quare `soap and metal Wool pad which will be -formedvvhen thecross-sectional Y,sh/apex of Vthe- `compressor Vciriamber and mold -isYascniare. i

' adjustable by screwsA 3;

Y bonarl` is infthepiane of the-rota" A Y restsl orirrstation'ary shear1a..' i SeeaFigs. fand 6. .l

the lpurpose offtaki for otheroperationaas for instance drying, coolingor packaging the pads;

The above and other Yfeatures of our appaiatus,v as Well as vof ourmethod, will be more clearly un-` derstood from the followingdescription in con-'1 nectionwith thek accompanying draWings, in

which f Y Fig. l is a top plan View;

Fig. 2 is a vertical section on-'theV lineV Fig. 1; i

Fig. 3 is anendrelevation'vievved from the left et 1e, on shaft e, Fig.2V; and shaft lx is driven Yfrom la, through said gears "ib, Alltheother Ulv Fig. 4 is a detail plan View or the moldframe rotorand aGeneva cam drive and stop mechansm in operative relation thereto;

Figs. 5 and Gare vdetail views on a 'large scale, Y y showing thestrip-gripping feed-in mechanism, inV l its lrelation to the knife forcutting oi the rear.:

end of the tensioned and measured strip of metal wool; Fig. 5 beingV aplan view; and Fig'. k6 being a front end view of theparts asrshown inFig. 5.;

VFig. 7 is rafv'ertical section `on 4the line ,k 'll-1, Fig.v2, showingthe compressor, spinning needles,

Vop "erating mechanism therefor and the soap supl'plying meansat theuppery endv thereof;

' Fig. vTais a detail perspectiveshowing 'the ycams ctuating tjhevalveVvand piston 'Fig 8 isjaplan view showin-the cams and driving mechanismfor controlling simultaneous part of the invention is the apparatus,vwhich is a complete machine organizedv so thatv all or the l steps areautomaticallyl formed, in propensuccession lonfeach pad; andsome'oftheoperations are being simultaneously performed on vsuccessive Y pads!l Referring Vtoliig. 2l, supplemented by Figsfl.. and

3, it .will be'seen that'theiluiy longitudinally inwardV and outwardmovements o f the continu- YReferring to' tiesecgrawings, Lwill be seenj that while various' oifthe above described steps IV of ourInetho'ifcoulclfbe` performed by hand,- and someof them couldbjeiomitted,V a veryimportant Vpresses the-rnetaliwool to form theY pad.

elastic e stripk materiall :cy enterstheA machine f through-arectangular funnel! Q inalignmentwith v aV pair of idlerrollsv@fone-ofwhich isvertically y," v\f Y As shown in Fig. 2, the 'leadi abituare;-khife ,4, and

Y Traction on theribbenappliedby twosnaced sets of` six each' ofngersfgta, therngersof one set 5 being`attached"crosswiset0,y andpr'oa Yjecting laterally fr orrnjtwo sets ofr parallel 4chains 6, 6, `which arelagr, andare supportedand Vcaused to rotateatj'thesame speed by threepairs of sprockets, namely, sprockets; 1; '1,V onI shaft'la livery' end"of the feedgand vvSi, intermediate.

i, lfhe latter are on separate shaftsd, -9`a,'which are eachvertifcallyv-adjustable, as byshims, for

the -cooperating'`` f lingers 5a, are"cafrried by precisely similar,symmetricallyopposite pairs of chains,-V and sprockets, "on'shaft'sf-'izn- 8:16, and 9a: respectively;

' Asshownmore.clearlyfinfFigL' 35 the sprocketl shafts 1a, 'lavarecaused, tofrotate equally and oppositely by .1jto ;1 gearsV'Ib,v 1b."VShaft la'is" driven through sprockets 10,. chain Td, and'sprocli-4 feedchain sprockets are idlers, driven through saidfeed chains.. v o if Eachsetof lingers 5,1511, consists 'ci several Vfingers in series', andpreferably the laterallyprojecting wool-engaging portions of these n-"gers are each covered by rubber tube as 5b, Figs; y

5` and 6.`V As will be obvious, the chains cause these fingers Ytotravel in the direction of the arn rows Fig.2. Y They successivelyengage the'ribbonrl, inthe rearof its leading end Aand pull it,endwise'betweenfupper and lowerplates i9, lila, of an open ended,box-like passage; and then push said leading end through'opening Il inthe side,ofgavertical"compressor chamber l2. The

opposite fingers separate successively, the last pair n A lleaving theribbon' entirely free. In a special case, WithG-tooth sprockets'halfinch links, iingers on 6 links, and with the initial finger-engagementan inch` or so in.-.rear oftherleading end, arboutff/gv inches oftheribbon may be pushed into a 2% inch compressor chamber.

`VBefore thisfhappens,.however, and AWhile the ribbon isfstill beingpulled through passage 19,'

ma; against tensioning resistance of idler rolls 2f, theknife cuts oiftherrmeasured length of tensioned ribbonr :c2 (Fig, lik-thereby freeingit j from tension; This knife is rigidly mounted on rotatingoshafthandf-its rotationis timedrso that it passes ,the stationary shearliawhenrthe proper lengthV shall liavefbeen measured o ythus leaving aleading end of ribbonY sil restingjon saidV stationary shear,asadescribed above.Y

The. bottom of the vchamber, l2,- is the retractedV released the`ribbon, leaving it entirely free.' v While the piston ,is ,stillrinythis lowerrnost Vposi- Ation-(see ,Figure 7*); pairscf rapidly-,spinningneedles i1, HCL, are projected endwise into 4the box and intoenga'gernentv-Jitlr` the'gleading end of thev ribbon therein. Theseneedlesare eccentrically locateiivvithv respect tothe 'axes-of shafts2B, 20a, by which they are rotated'.v Beingfrap'idly revolved in planesparallel With the Ylength of the ribbon'lFigure 2)', and' thecuf-offlength of i I ribbon being free,- the needlesquickly wind it up intocylindrical form. 4Thereupon the needles are ,l

'Withdrawn leaving thefloosely rolled i'cylinder of metal wool free,withinthecompressor chamber.

The'lateral stresses'applied yon'tl'ie, needles ,in

Winding the freerribbcn are verysrnall, andmeans for giving Vthern theirendwise andr rotaryimove- Lengagement viithaparallel stationaryguide-bar 22; Y The;non-rotating, slidable block Zii,iimparts ments maybe Ycorrespondingly simple.V lAs shownV in Figf?, the"vneedlesrarersirnilarly' and symmetrically arranged, asalso the-means forgiving each'pair the requiredrnoyements. The needles I'I are Vendwisesldablerina rotary bushing-or journal ilwhich'is rotatably mounted inthe Wall of the compressorv chamber, with their inner end walls flushwiththeinner surface, of the chamber. Needles l1 are rigidly Ysecuredina discia which/is securedtoand rotated by a shaft VZ-l. Said-shaft isVrotatable in a slidable block 2i,which,is Vkeyed againstrotation byslidable forward movement (toward the center ofcham-- ber I2); to thevspinner by pushing against disc I9; and retractng movement byV pushingagainst sprocket; and means-permitting' h needles I 1; exceptf o 'cou-rsrevolve .i `in` Y the sam directie meantffoiprojectlril the" pairs f Ywiseinto tnecompr'essor/ c'iiaiber andwithap'awf ingtheir:v therefromTwill 'bespeiflcally i described i vm 'fxmnectienwithneedlesylii-fAssiiewh (Figari ments `off-the; needles;"Ila,v` ithY spec tofthise j the those fiorV seme,` Lbutlsynirnetrically opposite 1 both sets-ofneedles whichl'hold the needles in the'withdiawnfposition; 'Ihedepressionsextend tihroilglrrelatively` i shortf'arcs, so the needlesoperate-for relatively" 'shox-tf periods." This is permissiblebecfeuse"they:k Y Y rotate lat highs'peed; on a free untehsioned length Y xpFig; 2 shows thatv chain' zsfwiiic'hfeivesf the spinning needles; isitself driveri through sprocket :i Y

Y which iis driven from asprocketon theshaft of` i airnotor not shown;`but `which asfriotedbeltwfis"` o preferably the same' electric "motorthat drives the'compre'slsor and spinner-shifting mc'hahism; i l 3ifi#iynhr'wized. Wlthlall other1parts of` the in chir/ieg,"the"sprocketA'l driv'enfthrough;

: chainla, sprocket Bib; sha-ftp; beiielfgarsqjn.' i o shaft m, sprocketl, chain k andl vspr`oc`slret-i `which i iskeyed to central shafti,cairryirig the cam hich f i operates thecompressorlf" Thusthelfihfjandfouta reciprocations ofttherneedles ere tirne'gilaccuratelyV f with respect' to the i niovh'ents 1` df ifi the: z plunger: tThe depressions and projections of cani30,\b'eixi1` The'spinner-shifting cainf wheel `al .which rotates 1n bei chain c;sprocket 1);: and shftft `a, which latter iis"- im here, the i mayi behanged jbyv shifting i filme-rum i tak'aindsoa.

presser pisti `has `been held in its lowermost' Y positiohjbytheconcen'tric "small radius portion of' compressor-comin, whichisen'gaged by `a, L1-ol1` Wardontojs'a-id uncompressed Wool. Asshownlin"t the Soalp fiiovvs fromy Seh pipeV sjspwiu bei closed, i1:12 :g

"ASSmWfiIi Fi@ e e the pump `piungerffanewsilver in otedtofcollar 16;which "adjustablylsecuredon andzthesoap valve closes.. f

to thestationary shearla.

thecompressornpiston 3 continues. its upwardk movement and jcompresses'`the cylindrical wool into a relatively thin layerby pressure against Lthe Stationary.-endlosure I5; through which .the-

Vsoap is being discharged.-

kThis pressure Serves to flatten thecylindricralvwoolto'ag-,relativelyithin Vsquare pad `iInpregnated with soap, as.indicated Y more or. lessfdiagrammatically in Aligtf.- vPiston I3 'then'withdraws, 'leaving the cake in thepmold;

nrsre, orY an'vflonsiuinaltension. 0.11 the ribbon. Such as @mildpremete tshtwnfins; or 0th:

l The sidelwall, orframe element oftliernfoldinr 'v whichthe pistonjleaves `thefcake,.i s a; square yhole 12a; Ain an e'dgewise, mo.vableplate. i2?) and,

` in this case this plate isa rotor `vvhiclfi is shown Vin Fig.4- .ashaving -eightfsuch holes, equally distributedgat equal-.distances fromthe .axis of shaft I 2c, on which-said rotor-is mounted. VAs showninlig.Y 2, this shaft'V Il clis parallel with the c om- Y A presser.;and, Yas shown in Fig.. l, .the mold, holes YI2a are successivelyindexedv to and held in posi: tion of registry with the compressonby arotary GenevaY cam and stop ldrive v`89, offwell .known type, which isVkeyed on the above mentioned verL tical shaft'p, as indicatedin Figs. ,2and 4; Y l l Y' VThe upperfend of thisY same shaft p ligureZ) carries acamall forholding Outpfcperatimi.

and permitting operationof an ejectorIll-regis-i 'l tering withone'ofthe'frameholes-'VIZaf of rotor l I2b. l The shape of this camfisvshownin ,-Fig. l, which in nconnection with Eig/:2 willmake it ob. vious thatthe ejector!! I isk held vinretracted posi-f rervvis.re-deprive fitaofitscharacteristic of relative v and even while :the compressor piston ispushing the' cylinden` upward ga' distance. substantiallyV 'equal toits; ownediameter,V `substantial portions ofthe end lsur-faces joflsaidcylinderY are in contact Y with A said rotating, vhigh-speedr inner end'faces AVofQsaid.bushings`,.and tend to'be Vmore-'orlessrotated'therebygv. These factors, combine to form Ya Cylinder with.definite.. end surfacesv andV also pto rotarsesuch,cylinderbonV its*axis. VSo', while it is A practically I., impossiblev -tov lobserveljust when the wool- Acylinder-V s topsvjrota'thg, indirect evidence,sucl1' .as theV distribution of the soap infthe wool,` indicates mthatatthe timewhen the inletV 'd openingxl ljclosesfandthe discharge of thesoap begins, the woolcylinder. has substantial rotation L about-its ownaxis, therebyidistributing soap 'over l the Acylindrical lsurfacethereof.

tion, with the spring 92 c`ompressed-,'-duringgmost 93 operatingthroughlink 94 to lift Vthe stemofv the ejector against gravity and,againstl pressure ofsaid spring; -but atthe proper `tirne,`wh'enfthe'andleject the pad onto conveyer IUD. '.The intakeV ,'"ftwni neunderstood that while ourfapparatus is described herein in connectionwith theA impregnation'jof s oapv intov metal vvvoolpads itis applicableto the impregnation'of any liquid intoV throughfthe lower end thereofanda pad shapingimoldatrthe upperend into which the piston :compresses theWool, the end .Wall of said mold *y Y f .beinga stationary. Yplatedesigned fordischarge `frameirotor is lockedby.v the Geneva-stop, agde-`Y downward therethrough of Ysoap at uidfteinper@ attire; means forsupplying thecompressorwith endfof this conveyer (Figure l isrotatdthroughz Y sprocket 99,'chain 9 8,1andsprocket 91, .onthe above`described intermediateA shaft rawhichf is.

' retated'by shaft i, through meiy mi kbevel gears.

This shaft r also drives. the: rotary knife!y through sprocketfu, chainfu. and sprocket w,v on e V' the shaft Ab, whereon the Arotary knife 42is mounted. -Shaft4bjhas slightendwiseplay,'andV Y is thrust totheileftV bygspring Vdcaso 'asto yield@` ably hold the rotaryknife' 4-.inshearing relai-.ien

Y Therearecertaindetails of,Y functioning of the K fspinning-'needleswhichV eontrbuteito'the pro-V duction of a `iluiyfcylindri[cal-.514011;and to a disj- Vtribution of the woolgrtherein;particularly adapting itfor flatteningandfcompression into `pads having approximatelyjstandardyweightV and standard ,distribution of Wool therein, as well' asVstandard'` thickness.. `and i, peripheral form.`

Referring togFig '7, itwill be seen-that the bush .p'i'sto'ncompressesthe Wool; means fonsupplying,A

ingsY I 8, which arelrotated by the slidable needles.-V

thefwalls of compressor v:chamber I2. Y ,'Moreover,

no frictional resistance; and will-.be subject to no endwisecompressionvuntilV the striphasbfeenv wound to a width approximately thatjof Ysaidchamber.l ll/loreover.' thev ribbon, being s-:fntirelyV free, there isnothing to apply anyra'dial inward MII, Ila, have their-inner endsurfaces ilushwith f @lectin-g saidas'oap., downward rthrough said sta-Y tbllyry Vend .plate onto the, Wool while it remains relatively fluffycondition; A and n'fieans'.Y for ftll'ltirlg thepiston vto apply nighpressure. ,to force thethusrv soapednifyimetalgwocl into the.

formingnioldftodistribute the fluidsoap therein and forma relativelydense pad of predetermined shape; .theL4v frame walls of said1shaping'mold rbeingwlaterally slidablebeneath said stationary end lplate Atovpermit,removal "of the pad from said a .flameWaHS-g: if s ZQAPPatus for-makingfllufy metal wool into relatively dense 'pads- Ycon-taining soap,said app'aratus including ay compressor having a. piston reciprocatedthrough, one end thereof and a Y shaping moldrat'the other end 'intowhich the thecornpressor chamber withenough fiuy metal 60 vwool "fo'rf a'padj rreans for .ejecting soap Tat.. 1 Y 1 r fluidftemperatureontothewool in said chamber v vhile the'Woolfis-in relatively-fluffycondition;

andmeans for actuating the piston'to apply high pressure toforceftl'1ethus soaped 'fluffy metal.. Y woolrfinto the vforming iinold, todistribute the 'ifluid'so'ap in the Wool .andform a relatively dense...

pad of predetermi-nedshape; said shaping mold beingformedrofirelavelymovable sections per;

mittingrernovalfof: the pad therefrom. y 3. Apparatus .as 'speciiedfinyclairn,

' whichthefluffy wool is 'aribbon' of the class described, .andthefinans'forsupp-l-ying it to 'theV compressor includes/compressionrolls for exerting," predetermined 'resistance to pullY ci" .the rib#bony therethrough, a traction feed1neclianis1n i `which ,the fluffyWooL-isa ribbonmoftne -class` i deseribedjand the niean'sdorjsupplying`iisftoA `the compressorincludesembre ion1 rol1s fo i ing predeterminedresistwicel o pull o'i'iwt j borffthrethrough atracizio'ni1-feednieehensm` adapted to' pu11 successive lengths of sadribbon i vtiirtmgh saidf resistance rolls,` means -for` severingincluding sinningneedles and ineens for pro-V ijeeting-themintofthelchamberfso as to engage 'openings therethrough; andtheside wall/Melee,

` nwwau of the' of registrywiththefcompresson i wherein' the endi'wallfofxthei mold-"isl stationary' i i 282513606 tofp'ull-afpredetermined flengthoften-4 rib? i 1 7V vfvlherein the fendwail.of-thefmoldisstaidionary and `the soap is discliargedthrough oneorimorement `of the `mold isyafleterally movable framef f memberttingslidablyibeneath said AVstiaitionary` f mold, sind -niovableinto'andiout -f y i eenperatjus as speeinedhin fciaimfz, 1- anjdthesoa-piis dischargedthrough one or more nieinbertting siidablynetweensaid stationary i wall of the mold andfthe `compressor chaine` benandmovable into andlout of vregistry ,with the eompressonsaidfframe memberbeing formed. i

i asia hole located? in gal plate mounted onan iaxis parellel'iwith tneaxis l of the compressor andir 'tatedf by indexing` xnec'zl'rariism',i'linto and, out of registrvwithlthebompressor'chamber i A d opening-stherethrough A;; and ithel side, Weill"rele-v i mentortheimoidjis,aqiatefaiiyfmoyeme:Meme 1 i riieniber Yhittingrsiidabl'yhetween salida` stationary j Hed lilall of the` nfild and11h63 compressor elia ber; ,andmovableintogandi out of registry-` thecompressor-saidframememberg being for-ined a'soneofa plllrfliitygofsilnilarifraniesequidistant i t nomine center wie icio; i teminsyri; en'ais: "parallel with the i axis.; Qfihe @mi i l #60 feeding means forsuccessivelystretching ngtns' preie:

"flieen-rtereuse-'winnen m n Senf i i9. Apparatus asspecid in claim 3zari'dnin whichthe means for loosely? Windingutheribbon inthe'compressori ificludesa" pairof spinning needles endwis'e'slidable `inaV rotary bushing -hav' mintin i ing thelinner f ac'e' `forming a'.portion. of the come pression vchamber;v and` Lmans for sliding saidspinning needles endwise intofandout oflenga'ge-V ment withthe leading`endof'tl'le1ribbonwhi1e i .the piston 2 is retracted," thereby Windingit i vinto cmprisingjserially relat'ed means "'forr severing "the ribboninto successive lengthsi'of approxi- 'Y mately equal weight; "a pistonandi a compression i chaniber hvin'ga. padshapin'g rnold into which `thepistonicompresses the Iwoolf and avlatral opening uneoveredwhen ..thejpiston'l is inngthe ire:

trismted` positionpmeans .for pushingfa .predeter--" ininedlengthoftheleadinggendofwsid ribbon "through 'said i opening iwhenwther;piston is r`e.l

i tracted: spinning needles fandmeans for pniject-` l inggthenilaterallylintol 'said leading ,end foi vthe i i ribbonifand'windingit sto Ya) cylindrical bform; i means fdr diseharg'ingsoapi atiiuidtemperature' upon the outer.su'rfacl'uthiereoft"` and means `for drivingsaid mechanini-to operatie instn'e' ribbon 1iii'cooperativesynchrnnizedsuecessim' i U ILVAIniachineasi'specifiedinclaim `l'fiand wherein areserilly relatedmeans including cone` i`verging"-` guides to whichA the; ribbon 'is supplied;

then bbonlengagingiyrolls that are'` adjustable to ai'liiudpredeterminedresistaneetothe passage of ingthe'ribbon;:andlconveyer'niechanism'adapted Y '5 tofgrasp ai ledjngendslofz-itheribbon in. the rear i,

of? `knlfeami fpull ail-predetermined*length of it tnrougnsaid;g1iideandrresistance ions'under Y -Ythehpledetermined"tensionyftmtil theadesired length for: iribbmi'iskvcuiV im by the knife.

chain conveyer mechanism frconveying the rib-- boni material; from `thesevering? -meansz to, the

i compression. chamber including synchronized par- `chains `having"adjacent f length-Si 4Ir ioving in 1 the f seme idirection, ,andi`ribbon gr'aspingi means consisting i of fingers ,projecting-:,latera1lyfrom eachof thejchain .conveyelzja in registering relation so as to`coopenatively engageopposite rfeces @immaterialffromz'theAseve'rinjgfmeans to the compressionchamberAincludirgjsynchronizedparfaulchninsnaving'edjacentziengtns,moving@ the saine fdirectiom.- and "ribbongrasping*v means consisting" off -fin'gersl projeating` laterallyTronieach of the pareille! chainlfconveyersin registeringV relation soas to cooperatively i engage oppositel races `of said nbbonrfacn chain@arr-ying" [a s er'iesfl of suchl` fingers ori-successive Vlinks-thereo;wnereby the lingers individuallyand'successively irritate* dut fgrinning ilationi tol the ribbon; alt' the exit; `eiliiiloiiY the'hainiconveyergj thereby push-i opening i in "-the :compressor chamber;

ingr afscurrespdnding ienginfcneroeof. thm'ugnine 14; Amacnine asAspecified?inniz'cieiim'.,1oinici pairs 1 wnereinittiespinriingneedlesar'nl opposite (":isvrried-` respectively vlay-two `aligned 'shaftsrotaia-y nig inf-the saine direction; the respectivepairswof Y ofi'"saidrc'ompression chamberihaving a closedA 2.6: Amachine as. ntlfledfiA wherein the conveyor mechanismv l includes parev having adiacentlengths mostly "armoe dei?Y andA Operate asfor; rotating thegcylindersuiteraard-needles havepeenwitbdrawn. l

e m25. A machine' for,4 `formingandjc'utting metal wool strip oftheclassfdeseribediwhere: the strips arey deliveredto 'a compressorlntoilensths ottan-` proximately: equal weight. including 'rolls for nguiding the `strip: vsync,,hron'ouslv Ldriven mecha-f n nm; inclndnsaknife ,ferien/@lilas lthe istrip;

and conveyor mechanism adapted to sra-inw lead-L until` the desiredAlength vof stri lrniie.V l v nt @111W the allel endless members I imoving` ,inv the samek direction, `and the ribbon vgrasping ameans l;consists tof *nngers projecting laterally from eachfof the chainconveyers'in i rgisteringrelation so as tocooperatively engage chain`carries a'seriesoflsaidiingers, on successive links thereof, wherebythenngers individually and successively` rotate out of gripping relationto the strip, at the exit end of Vthe'chain conveyer, thereby pushing acorresponding length thereof beyond said exit end throughan opening inthe `side of the compressor, above ,thefpiston and below the compressionspace.

2'1.` In, apparatus lfor making metal wool` pads, a pad shapingcompressor including a. piston and a compression chamber invwhich `thepiston rel ciprocates', means operating while this piston is retractedtosupply said chamber with a predeter mined `quantity of metal wool,said chamber having a pad shaping moldY wall at-the compression` l endthereofmovable in aplaneat right angles to thedirection of travel ofsaid piston. and means for movingfsaid wall into registry 'withQthecom:-

vpressionchamber while a pad is being compressed therein and means for,thereafter moving it; but

of registry and stripping the compressed therefrom.

28. In apparatus for makingmetaltwool pads,A a pad shaping compressorincluding va piston and l a compression chamberin whichthepistonreciprocates,'means operating while the pistonis" retracted tosupply said chamber with vo, `prede-f` i terminedquantity of` metal woolin therformo'f a woundgoll, aidchernberhaving a pad moldmallathe'oompression end there of laterally, movabie in a plane at rightarmee to the axis of saidcompression chamber, and means for` moving itinto registrywith the compression chamber while a pad-is beingcompressedtherein,

Vand. means for moving it laterally outof registry;

'e and stripping the compressed pad therefrom'.` 29. In apparatus formaking metalwool pads, a pad shaping compressor includinglagpiston anda` compression chamber in which" the pistonreciproates; `means operatingwhile the-piston is retractedto push the leading end of a strip. offluffy metal wool through a'lateral opening, into said compressionchamber; means for winding it to lformza` loosely wound roll in saidchamber; a

` pad shaping moldwallat the compression endof` said chamber; means formoving said mold wall and chamber relatively and for stripping thecompressed pad from the said mold.

`30. In apparatus `for making metal Wool pads,

i =a pad shaping compressor including a piston and` a compressionchamber inwhich the piston reciprocates; `means operating, while the`piston is f retracted, `to push the leading end of a strip offluiymetal wool, through al lateral opening, into im;` ens of` ,thestrip; mme ,rearl of the andV pull it undertheknife anfltwardthe'compressor anni amid a i A2o i l `oppositefaces of said strip; andwherein each y said compression Chamber. ,i and: means for wind.-`

ing the Vstrip to: forma loosely :wound roll insaid 3 chamber;.said`wlndinafmeans including aipar.

v oftneedies, each mounted eccentric, tosthe` axis of acontinuously;rotating shaftrfanda rotat-V` ablelm-shinelzlnavi,nsL itsA:inneresurfaces Vsubstantially flush! with the innisurraces of `theyLooinf pression chamber,vu and I which,v bushing saidneedlesfareendwise siidab 4 z i @3.1. Apparatus L Iorfmakig fiuiynimetalfwool length into a coltsmefins4 `for injecting fluid soaping-n.lelcl..` means for; compressing-said Vcoil of v1 metal `wool-lVinto said imold, aridgrneans for ejecting saidmolded material from` saidmold.

32. `Apparatus for making fluiy metal wool e intorelativelydense padscontaining soap comprising a compression chamber having portions of itssidewalls rotatable, meansfor supplying l equal lengths of metalwool tosaid` chamber, means for` winding said lengthslinto said chamber forminga coil, means for injectingsoap` into l force the brous material intothe 4formingmold.-

" saidV compressor adapted` tomove into .andout means, and meansvformovingsaid mold means to move it intoand out of registry Vwith said'comcompressor.` 35. Apparatus for pressor` and to transfer the formedpads from said moldend Wallin registry with said compressor,

with said' compressor, means for pressing mate- Vend wail, said moldside walls being adapted lto e engage and transfer the formed `padsfromlsaid compressor, and means for moving said mold side 65 mold endwall. i

, 36. `A machine for making iluffy metal wool into relativelydense'pads, including a compressor Vhaving `a. piston reciprocatedthrough one end into whichthe piston compresses the wool; means forsupplying ,the compressor'l chamber Lwith enough fluffy metalwool `for apad;` andY means d for actuating the piston to apply high pressure toforce the uymetal wool into the shaping mold yintoxelativelydensepads;contanrigoancoml prising,-;meanswforw supplying` predetermined.1, ilengthswzotmetalwool,means for "-windingfeach into acoil; ofgmetal;wool.; means for rotating said coil. to distribute the soaptherethroushafnrml 'e andffor `causing `said coil `to berotated therebe.Y l

v33. In apparatus `for Aimpregnating a mass of Y' said endwall onto thefibrous material while it is l j rotating, and means for actuatingthepistongto e 34.. Apparatusfor converting resilientmaterial e' intopads gcomprising, a compressonmold means e movablein aplaneatrightanglesto the axis of l l of registry with saidcompressor,means for press` "7 d ing material from said compressor into said mold fe convertingresilient material e finto padscompris'ing, acompressor, astationary i l mold side .wallsmovable into and out of registryrial'from said-compressorV into saidmold means` while the side walls areinhregistry with the said walls relatively to said compressor and saidfixed thereof `and a pad shaping moldat the` other end i thecompressogfsajd-fra Y aJ-number of frame membrsfe'achfofwhich has'lather'e'of anda; padshapingmld ,agb the-l other end Wa-vlrl add as'de'Wal-1 elementY comprising; allemal'- 1 pr'ssoifjsaidA frame 'member'being formed 'Aaasione 'j the centerbf a, rotor'turningon anams pllelWith che axis of the'crompressor, and rotafoectintY and out; fregtry'with the compression;Chaim-V4

